A touch screen computer monitor allows users to enter data by touching the screen, using a small electric current. It can replace a keyboard and mouse, and is popular in portable devices and business applications. However, it has drawbacks such as difficulty in cleaning and shorter lifespan compared to LCD monitors. It also requires frequent calibration.
A touch screen computer monitor is exactly as the name suggests; a device in which the screen itself functions as a touch pad through which the user can enter data. This is made possible by a small electric current passing through the user’s fingertips: a touch screen computer monitor recognizes that touch and uses it to compare the point of impact with the options available on the screen. When that touchpoint reaches a location that has been programmed to perform a function, the task is completed just as if it were clicked with the mouse.
Touch screen monitors have become very popular as they can effectively replace both a keyboard and a mouse. This technology has played an important role in the advancement of portable devices such as mobile phones and handheld games. In many ways, consumers prefer this type of technology for business applications because it allows for much faster processing, especially in point-of-sale networks designed for payment transactions and order processing. It also allows for the creation of portable diagnostic equipment used by the automotive military and other industries as the need for additional input space is eliminated.
A touch screen computer monitor also has several drawbacks. The screen itself is often difficult to clean properly, and over time, the electromagnetic sensors implemented within the monitor can fail from exposure to dirt or oil that is transferred by touch. On average, a touch screen computer monitor lasts only about half the life of a comparable liquid crystal display (LCD) monitor, but it retails for nearly double the price – cost-wise, it’s a questionable investment. . Many users also complain about the time it takes to type words and phrases directly on the screen interface, so it’s quite common to use a keyboard with this device despite its ability to replace one.
A touch screen computer monitor also requires additional maintenance than conventional models. In addition to the extra cleaning time, these devices also need to be calibrated frequently for the touch sensors to stay aligned. Since the monitor only projects the illusion of touching the corresponding keys on the screen, users often forget that a program is simply assigning graph-like numeric values to each input. This procedure is completed by following an on-screen tutorial where the user will tap various points on the screen, allowing the software to compensate for any misalignment errors.
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